/* The contents of this file are subject to the Mozilla Public License Version 
 * 1.1 (the "License"); you may not use this file except in compliance with 
 * the License. You may obtain a copy of the License at 
 * http://www.mozilla.org/MPL/
 * 
 * Software distributed under the License is distributed on an "AS IS" basis,
 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
 * for the specific language governing rights and limitations under the
 * License.
 * 
 * The Original Code is Libvoikko: Library of natural language processing tools.
 * The Initial Developer of the Original Code is Harri Pitkänen <hatapitk@iki.fi>.
 * Portions created by the Initial Developer are Copyright (C) 2009
 * the Initial Developer. All Rights Reserved.
 * 
 * Alternatively, the contents of this file may be used under the terms of
 * either the GNU General Public License Version 2 or later (the "GPL"), or
 * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
 * in which case the provisions of the GPL or the LGPL are applicable instead
 * of those above. If you wish to allow use of your version of this file only
 * under the terms of either the GPL or the LGPL, and not to allow others to
 * use your version of this file under the terms of the MPL, indicate your
 * decision by deleting the provisions above and replace them with the notice
 * and other provisions required by the GPL or the LGPL. If you do not delete
 * the provisions above, a recipient may use your version of this file under
 * the terms of any one of the MPL, the GPL or the LGPL.
 *********************************************************************************/

#include "spellchecker/AnalyzerToSpellerAdapter.hpp"
#include "spellchecker/SpellUtils.hpp"
#include <list>

using namespace std;
using namespace libvoikko::morphology;

namespace libvoikko { namespace spellchecker {

AnalyzerToSpellerAdapter::AnalyzerToSpellerAdapter(Analyzer * analyzer) :
	analyzer(analyzer) { }

spellresult AnalyzerToSpellerAdapter::spell(const wchar_t * word, size_t wlen) {
	list<Analysis *> * analyses = analyzer->analyze(word, wlen, false);
	
	if (analyses->empty()) {
		Analyzer::deleteAnalyses(analyses);
		return SPELL_FAILED;
	}
	
	spellresult best_result = SPELL_FAILED;
	list<Analysis *>::const_iterator it = analyses->begin();
	while (it != analyses->end()) {
		const wchar_t * structure = (*it)->getValue(Analysis::Key::STRUCTURE);
		spellresult result = SpellUtils::matchWordAndAnalysis(word, wlen, structure);
		if (best_result == SPELL_FAILED || best_result > result) {
			best_result = result;
		}
		if (best_result == SPELL_OK) {
			break;
		}
		++it;
	}
	Analyzer::deleteAnalyses(analyses);
	
	return best_result;
}

void AnalyzerToSpellerAdapter::terminate() {
}

} }
